Finding the Fourth Proportional to 17,603.78, 24,292.82 and 9,645.83

Step by Step Solution

1. Step 1: Write the proportion equation
   17,603.78 : 24,292.82 = 9,645.83 : x
2. Step 2: Convert to fraction form
   17,603.78/24,292.82 = 9,645.83/x
3. Step 3: Cross multiply
   17,603.78x = 24,292.82 × 9,645.83
4. Step 4: Simplify right side
   17,603.78x = 234,324,242.25
5. Step 5: Solve for x
   x = 234,324,242.25/17,603.78
6. Step 6: Final answer
   x = 13,311.02